Overview
The Otso Fenrir Stainless Frameset is designed for ultimate versatility and adventure. Built from custom-butted austenitic stainless steel, it offers a smooth ride and excellent corrosion resistance. The frame supports both drop bars and MTB flat bars, allowing customization based on your riding style. I
Features
Versatile Frame Material: Custom-butted austenitic stainless steel offers a smooth ride and excellent corrosion resistance.
Adjustable Geometry: Tuning Chip™ dropout system allows you to adjust the wheelbase (up to 20mm), bottom bracket height (4mm), and head tube angle (0.2°) for optimal handling.
Multiple Configurations: Compatible with drop bars or MTB flat bars, accommodating different riding styles for gravel or mountain biking.
Generous Tire Clearance: Fits up to 29” x 2.6” or 27.5” x 2.8” tires, making it suitable for various terrains.
Comprehensive Mounting Options: Equipped with multiple mounts on the frame and fork for racks, fenders, and gear, ideal for bikepacking and long-distance touring.
High-Quality Components: Comes with a carbon ENVE Mountain Fork with three-pack mounts and a reversible dropout chip for adjustable rake.
Customization: Available in five sizes (XS to XL) and supports mechanical/electronic drivetrains, single speed setups, and suspension forks up to 100mm of travel.
Specs
Drop Bar Configuration
- Frame: Custom butted austenitic stainless steel
- Fork: Carbon Lithic Mountain Fork, 15mm thru axle
- Headset: Wolf Tooth Performance Headset
- Rear Derailleur: Shimano GRX 822 1x, 12-speed
- Front Derailleur: N/A
- Shifters: Shimano GRX 600 mechanical, 12-speed
- Cassette: Shimano SLX M7100, 11-51T, 12-speed
- Brakes: Shimano RX400 Hydraulic
- Cranks: Race Face Aeffect, 34T Chainring
- Handlebar: Lithic Corundum aluminum compact drop with 16° flare
- Tape/Grips: Anti-Slip Gel Bar Tape
- Wheels: DT Swiss M1900 29″
- Tires: Schwalbe Racing Ralph 29×2.35 Super Ground
Flat Bar Configuration
- Frame: Custom butted austenitic stainless steel
- Fork: Carbon Lithic Mountain Fork, 15mm thru axle
- Headset: Wolf Tooth Performance Headset
- Rear Derailleur: Shimano SLX M7100, 12-speed
- Front Derailleur: N/A
- Shifters: Shimano SLX M7100, 12-speed
- Cassette: Shimano SLX M7100, 10-51T, 12-speed
- Brakes: Shimano Deore BR-6100
- Cranks: Race Face Aeffect, 34T Chainring
- Handlebar: Aluminum, 31.8mm x 780mm, 20mm rise
- Tape/Grips: Wolf Tooth Grips
- Wheels: DT Swiss M1900 29″
- Tires: Schwalbe Racing Ralph 29×2.35 Super Ground
Warranty
Warranty Coverage:
- All Otso frames are warranted against defects in materials and workmanship for 5 years from the date of retail purchase.
- This warranty applies to the original owner only and is not transferable.
- Please keep your sales receipt or order number for any warranty claims to ensure a quick resolution.
What’s Not Covered:
- Damage from improper assembly, maintenance, or user/assembler inexperience.
- Modifications, neglect, misuse, competition, commercial use, or accidents.
- Installation of incompatible components, parts, or accessories.
- Normal wear and tear, or damage to paint, surface finish, or aesthetics.
- Compatibility of original components with a replacement frame is not guaranteed.
- Costs for labor, parts removal, refitting, or re-adjustment, including wheel rebuilds.
Claim Process:
- Warranty claims are limited to the repair or replacement of the defective frame, at Otso’s discretion.
- This warranty does not cover incidental or consequential damages.
Legal Information:
- This warranty gives you specific legal rights, which may vary based on location. It does not affect your statutory rights.